response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2861/launches (required, This URI must exactly match a value pre-registered with the platform)

response_mode: form_post (required, tools and platforms must support a value of form_post)

client_id: dvb-platform-20-apr (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InpYWThlakU5RU9RMkFEY2ppcTVtYnJ3T2ZqNktyRXBHWEZyZF9WYVcwYmsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyODYxLCJzdGF0ZV9ub25jZSI6IjdiZDI4MGMyNDgzZDk4Y2IyMmJmIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODYxIn0sImlzcyI6ImR2YiB0b29sIDIwIG5vdiIsInN1YiI6ImR2Yi1wbGF0Zm9ybS0yMC1hcHIiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zMTg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NjU4NDQ2MjgsImV4cCI6MTc2NTg0NDkyOCwianRpIjoiNzNkMDU1ZjgxZTY1OWJhMjM5YjkifQ.GNXK0MmNB9MWjF2qNgomaWTf9ROjCEaXI4tygIx9U0LB8_mFlu_GiGZWmWXed3oWzQ6MNtXkIe6AbcyC7_6wffIxxRhdYGGTfIjGMbgIJTyUpybtHjTBK3CkGIRWP3aGqrQ5V-jcgm6cthan1rl20X2xFdWQnewvm2GIcL-rqC6jQ8ShX-L2cLu0_J2W6wmesDJ2wvpJbhdz7uT5BM4ZW3EGUnxvobz4sirt_S5A7tof6Pif-a_FANSnTosZPmDF8sUNdxsBAHsyoxU54IdYxBjrKifhz8v-DwxZ8ztYrMnspZXT88zcIF5b0-AUj0zrHvtFp2tIjIdVgydnwiAMUw (required, opaque value used to maintain state between the request and the callback)

login_hint: (required, tools and platforms must support a value of form_post)

lti_message_hint: (required, a platform opaque identifier identifying the user to login)

prompt: none (optional, The tool should use a value of none. In the future a re-launch flow may support additional values being used here)

nonce: 7bd280c2483d98cb22bf (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)